tunisia said their laws would not let them hold him. that is an excuse we've heard in other pats of the world. that doesn't concern you? >> we press our partners in foreign government to hold individuals and to allow us access to it. sometimes their laws do not allow that to happen. i think the united states government has to respect these governments right to, in fact, enforce their laws appropriately. we don't want to have these individuals being held in some kind of custody that is extra judicial. >> thank you. >> senator warner. >> thank you. thank you mr. brennan, for your testimony today. i think what we've heard from a number of colleagues and we had this discussion when we discussed the committee study. how could be confirmed -- i'm-- how do you ensure that the c.i.a. director is going to be well-informed. particularly to -- we have questioned you about a number of key sensitive programs. the agency is in a lot of these programs that there needs to be some ability to measure objectively the success of these programs not by the i